Take the opportunity to increase your fitness level on the bicycle by doing weekend day rides, weekend tours, week-long tours, and things like that. Get to know your part of the world. Aim to cycle all the paved roads in a 200 km (or 300 km, or 500 km) radius of where you live. Cycle across Idaho or ride that Coeur d'Alenes trail.

Use the extra time to nail down your gear selection ... try what you've currently got, and make adjustments.

Maybe look for and try out some long distance challenges ... centuries, randonneuring, etc.

Bummer, but think of it this way. If you have to postpone it, now you can schedule it for 2012 (yes that means waiting another year) when you'll be even more fantastically prepared for it, and you'll have the added symbolic benefit of doing it on the 10-year anniversary.